Yayınlar & Eserler

Yayın Ağı
SCI, SSCI ve AHCI İndekslerine Giren Dergilerde Yayınlanan Makaleler

A fuzzy approach for the intuitionistic multi-objective linear fractional programming problem using a bisection method

Kara N., KÖÇKEN H., Akdemir H. G.
Journal of Combinatorial Optimization , cilt.49, sa.2, 2025 (SCI-Expanded) identifier

Public health challenges after the February 6 earthquakes: A comprehensive review of immediate and long-term impacts in Türkiye

Koçer A. T., Akpek A., Vural A., Aslan A., Erkoç A., Özen A. M., et al.
International Journal of Disaster Risk Reduction , cilt.114, 2024 (SCI-Expanded) identifier

Matrix norm methods for zero-sum fuzzy matrix games with payoffs of triangular fuzzy numbers

İzgi B., KÖÇKEN H., Özkaya M.
Applied Mathematics and Computation , cilt.479, 2024 (SCI-Expanded) identifier

Unravelling poly(1-vinyl-1,2,4-triazole) hydrogels behaviors and enhancing 5-Fluorouracil delivery systems by utilizing a fuzzy modelling approach

Pekel Bayramgil N., İnsel M. A., Gonce Kocken H., Albayrak I., Karakuş S.
Physica Scripta , cilt.99, sa.8, 2024 (SCI-Expanded) Sürdürülebilir Kalkınma identifier

A Scenario-based Interval Multi-objective Mixed-integer Programming Model for a Water Supply Problem: An Integrated AHP Technique

Ucler N., Gonce Kocken H.
Water Resources Management , cilt.37, sa.15, ss.5973-5988, 2023 (SCI-Expanded) Sürdürülebilir Kalkınma identifier

On Modeling of Surface Tension of CMC-α-Fe2O3 Nanoparticles by Fuzzy-Hybrid Approach: A Comparison Study

Köçken H., Insel M. A., Temelcan G., Karakuş S., Albayrak F. İ.
CANADIAN JOURNAL OF CHEMICAL ENGINEERING , cilt.101, sa.11, ss.6446-6454, 2023 (SCI-Expanded) Sürdürülebilir Kalkınma identifier identifier

New unified score functions and similarity measures for non-standard fuzzy numbers: an extended TOPSIS method addressing risk attitudes

Akdemir H. G., KÖÇKEN H.
Neural Computing and Applications , cilt.35, sa.19, ss.14029-14046, 2023 (SCI-Expanded) identifier identifier

Handling uncertainty in rheological properties of green eggshell nanocomposites by a fuzzy-hybrid modeling approach: a comparative study

İnsel M. A., Karakuş S., Temelcan G., Köçken H., Albayrak F. İ.
Physica Scripta , cilt.98, sa.3, 2023 (SCI-Expanded) Sürdürülebilir Kalkınma identifier identifier

An exact iterative algorithm to solve a linear fractional programming problem

Kocken H., Özkök B., Ahlatcioglu M.
SCIENTIA IRANICA INTERNATIONAL JOURNAL OF SCIENCE & TECHNOLOGY , cilt.0, ss.1-27, 2022 (SCI-Expanded) Creative Commons License

Finding compromise solutions for fully fuzzy multi-objective linear programming problems by using game theory approach

Temelcan G., Gonce Kocken H., Albayrak I.
Journal of Intelligent and Fuzzy Systems , cilt.42, sa.1, ss.283-293, 2022 (SCI-Expanded) identifier identifier

Fuzzy modelling of static system optimum traffic assignment problem having multi origin-destination pair

Temelcan G., KÖÇKEN H., Albayrak I.
Socio-Economic Planning Sciences , cilt.77, 2021 (SCI-Expanded) Sürdürülebilir Kalkınma identifier identifier

SYSTEM OPTIMUM FUZZY TRAFFIC ASSIGNMENT PROBLEM

Temelcan G., Kocken H., Albayrak I.
PROMET-TRAFFIC & TRANSPORTATION , cilt.31, sa.6, ss.611-620, 2019 (SCI-Expanded) identifier identifier

A simple parametric method to generate all optimal solutions of fuzzy solid transportation problem

Kocken H., Sivri M.
APPLIED MATHEMATICAL MODELLING , cilt.40, ss.4612-4624, 2016 (SCI-Expanded) identifier identifier

A mixed integer programming approach to a square fully fuzzy linear equation

AHLATCIOĞLU M., Albayrak I., Kocken H. G., Ozkok B.
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS , cilt.31, sa.3, ss.2009-2015, 2016 (SCI-Expanded) identifier identifier

Finding the fuzzy solutions of a general fully fuzzy linear equation system

Kocken H., AHLATCIOĞLU M., ALBAYRAK F. İ.
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS , cilt.30, sa.2, ss.921-933, 2016 (SCI-Expanded) identifier identifier

An approach for finding fuzzy optimal and approximate fuzzy optimal solution of fully fuzzy linear programming problems with mixed constraints

Özkök B., Albayrak F. İ., Köçken H., Ahlatcıoğlu M.
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS , cilt.31, ss.623-632, 2016 (SCI-Expanded) identifier identifier

Game theory and fuzzy programming approaches for bi-objective optimization of reservoir watershed management: a case study in Namazgah reservoir

Ucler N., Engin G., Köçken H., Oncel M. S.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH , cilt.22, sa.9, ss.6546-6558, 2015 (SCI-Expanded) Sürdürülebilir Kalkınma identifier identifier identifier

A Compensatory Approach to Multiobjective Linear Transportation Problem with Fuzzy Cost Coefficients

Kocken H., AHLATCIOĞLU M.
MATHEMATICAL PROBLEMS IN ENGINEERING , 2011 (SCI-Expanded) Creative Commons License identifier identifier
Diğer Dergilerde Yayınlanan Makaleler

On credibilistic multi-objective linear programming problems with generalized intuitionistic fuzzy parameters

Akdemir H. G., KÖÇKEN H., Kara N.
OPSEARCH , cilt.61, sa.1, ss.71-97, 2024 (ESCI) identifier

Minimum cost flow problems in generalized fuzzy environments. Credibilistic CVaR minimization approach

Akdemir H. G., Kara N., KÖÇKEN H.
Operations Research and Decisions , cilt.34, sa.3, ss.125-141, 2024 (ESCI) Creative Commons License identifier

Predicting survival of patients with heart failure by optimizing the hyperparameters

İNSEL M. A., SADE J., MUŞTU S., KÖÇKEN H., ALBAYRAK F. İ.
INTERNATIONAL JOURNAL OF KNOWLEDGE-BASED AND INTELLIGENT ENGINEERING SYSTEMS , 2024 (ESCI)

A Fuzzy Programming Based Approach to a Multi-Objective Multi-Echelon Green Closed-Loop Supply Chain Problem

Kocken K., ÖZKÖK B., KÖÇKEN H.
Cybernetics and Information Technologies , cilt.23, sa.3, ss.40-55, 2023 (ESCI) Creative Commons License Sürdürülebilir Kalkınma identifier

A new fuzzy linear regression algorithm based on the simulation of fuzzy samples and an application on popularity prediction of Covid-19 related videos

Akdemir H. G., KÖÇKEN H.
JOURNAL OF STATISTICS AND MANAGEMENT SYSTEMS , cilt.25, sa.8, ss.2025-2041, 2022 (ESCI) Sürdürülebilir Kalkınma identifier

A novel iterative method to solve a linear fractional transportation problem

Bas S., Kocken H., ÖZKÖK B.
PAKISTAN JOURNAL OF STATISTICS AND OPERATION RESEARCH , cilt.18, sa.1, ss.151-166, 2022 (ESCI) identifier identifier

A Game Theory-based Approach to Fuzzy Linear Transportation Problem

TEMELCAN G., KÖÇKEN H., ALBAYRAK F. İ.
Fuzzy Logic and Modeling in Engineering , cilt.1, sa.2, ss.28-33, 2022 (Hakemli Dergi)

A Fuzzy approach to multi-objective solid transportation problem with mixed constraints using hyperbolic membership function

Kara N., Kocken H.
Cybernetics and Information Technologies , cilt.21, sa.4, ss.158-167, 2021 (ESCI) Creative Commons License identifier identifier

Generating a set of compromise solutions of a multi objective linear programming problem through the game theory

Köçken H., Albayrak F. İ., Sivri M., Akın S.
Operations Research and Decisions , cilt.29, sa.29, ss.77-88, 2019 (ESCI)

Using some fuzzy aggregation operators for multi objective linear transportation problem

Köçken H., Tiryaki F.
SIGMA JOURNAL OF ENGINEERING AND NATURAL SCIENCES-SIGMA MUHENDISLIK VE FEN BILIMLERI DERGISI , cilt.32, sa.4, ss.399-421, 2014 (ESCI)

Üniversite ders zaman çizelgeleme problemi için ikili tamsayılı bir model ve bir uygulama

Köçken H., Özdemir R., Ahlatcıoğlu M.
İstanbul Üniversitesi, İşletme Fakültesi Dergisi , cilt.43, sa.1, ss.28-54, 2014 (Hakemli Dergi) Creative Commons License

A Compensatory Fuzzy Approach to Multi Objective Linear Transportation Problem with Fuzzy Parameters

Köçken H., Özkök B., Tiryaki F.
EUROPEAN JOURNAL OF PURE AND APPLIED MATHEMATICS , cilt.7, sa.3, ss.369-386, 2014 (ESCI)

A Solution Proposal To Indefinite Quadratic Interval Transportation Problem

Dalman H., Köçken H., Sivri M.
New Trends in Mathematical Sciences , cilt.1, ss.7-12, 2013 (Hakemli Dergi)

A Compensatory Approach to Multi objective Interval Transportation Problem

KÖÇKEN H., AHLATCIOĞLU M.
SIGMA JOURNAL OF ENGINEERING AND NATURAL SCIENCES-SIGMA MUHENDISLIK VE FEN BILIMLERI DERGISI , cilt.31, sa.1, ss.20-33, 2013 (ESCI)
Hakemli Kongre / Sempozyum Bildiri Kitaplarında Yer Alan Yayınlar

A Numerical Method for Integration of a Fuzzy Function over a Fuzzy Interval

Temelcan G., Kocken H., Albayrak I.
International Conference on Intelligent and Fuzzy Systems, INFUS 2021, İstanbul, Türkiye, 24 - 26 Ağustos 2021, cilt.307, ss.281-288 identifier

Solving the System Optimum Static Traffic Assignment Problem with Single Origin Destination Pair in Fuzzy Environment

Temelcan G., Köçken H., Albayrak F. İ.
International Conference on Intelligent Desicion Science, İstanbul, Türkiye, 7 - 08 Ağustos 2021, ss.521-530

Solving Fuzzy Multi-objective Linear Programming Problems Using Multi-player Zero-Sum Game

Temelcan G., Albayrak I., Köçken H., Sivri M.
International Conference on Intelligent and Fuzzy Systems, INFUS 2020, İstanbul, Türkiye, 21 - 23 Temmuz 2020, cilt.1197 AISC, ss.1483-1490 identifier

Solving the System Optimum Static Traffic Assignment Problem with Single Origin Destination Pair in Fuzzy Environment

Temelcan G., Köçken H., Albayrak F. İ.
The 4-th International Conference on Intelligent Decision Science (IDS), İstanbul, Türkiye, 7 - 08 Ağustos 2020, ss.111-112

Fuzzy Modelling on Control of Heat Exchangers

İnsel M. A., Albayrak F. İ., Köçken H.
International Conference on Mathematics and its Applications in Science and Engineering (ICMASE2020), Ankara, Türkiye, 9 - 10 Temmuz 2020, ss.177-184 Creative Commons License

Comparison of Nontraditional Optimization Techniques in Optimization of Shell and Tube Heat Exchanger

İnsel M. A., Albayrak F. İ., Köçken H.
International Conference on Mathematics and its Applications in Science and Engineering (ICMASE2020), Ankara, Türkiye, 9 - 10 Temmuz 2020, ss.185-196 Creative Commons License

AN INVESTMENT DECISION MAKING METHODOLOGY BASED ON TYPE-2 FUZZY AHP: A CASE STUDY ON BORSA ISTANBUL (BIST)

Özkök B., Köçken H.
International Conference on Applied Research in Management, Business and Economics, Barcelona, İspanya, 5 - 07 Nisan 2019, ss.50-61

A Mixed Integer Modelling of a Shift Scheduling Problem in a Call Center

Vural A., Köçken H.
International Conference on Applied Analysis and Mathematical Modeling, İstanbul, Türkiye, 10 - 13 Mart 2019, ss.147

On the Solution of a Fully Fuzzy Transportation Problem

Köçken H.
International Conference on Applied Analysis and Mathematical Modeling, ICAAMM 2019, İstanbul, Türkiye, 10 - 13 Mart 2019, ss.150

A new method for generating some extreme points of a convex polyhedron for solving multi-objective linear programming problems using game theory approach

Sivri M., Köçken H., Albayrak F. İ., Temelcan G., Esen H.
International Conference on Mathematical Studies and Applications, Konya, Türkiye, 4 - 07 Ekim 2018, ss.112

A game theory based approach to generate a set of compromise solutions of a multiobjective linear programming problem

SİVRİ M., KÖÇKEN H., ALBAYRAK F. İ., AKIN S.
INTERNATIONAL CONFERENCE ON APPLIED ANALYSIS AND MATHEMATICAL MODELING, 2018, İstanbul, Türkiye, 20 Haziran 2018, ss.13

User-Optimum Fuzzy Traffic Assignment Problem

Temelcan G., Albayrak F. İ., Köçken H.
13th Balkan Conference on Operational Research (BALCOR’18), Belgrade, Sırbistan Ve Karadağ, 25 - 28 Mayıs 2018, ss.57

Fuzzy Analysis of a traffic assignment problem

TEMELCAN G., KÖÇKEN H., ALBAYRAK F. İ.
37. YÖNEYLEM ARAŞTIRMASI VE ENDÜSTRİ MÜHENDİSLİĞİ ULUSAL KONGRESİ, Türkiye, 5 - 07 Temmuz 2017

FUZZY EQUILIBRIUM ANALYSIS OF A TRANSPORTATION NETWORK PROBLEM

TEMELCAN G., KÖÇKEN H., ALBAYRAK F. İ.
IFSCOM, Mersin, Türkiye, 29 Ağustos - 01 Eylül 2016

On the Solution of a nxn Fully Fuzzy Linear Equation System with Triangular Fuzzy Numbers

Ahlatcıoğlu M., Albayrak F. İ., Köçken H., Özkök B.
ICWOMA (International Conference and Workshop On MathematicalAnalysis), Kuala-Lumpur, Malezya, 27 - 30 Mayıs 2014, ss.36

The fractional transportation problem with interval demand, supply and costs

Köçken H., Emiroğlu İ., Güler C., Taşçi F., Sivri M.
International Conference on Mathematical Sciences and Istatistic 2013 (ICMSS 2013), Kuala-Lumpur, Malezya, 5 - 07 Şubat 2013, cilt.1557, ss.339-344

Fuzzy approaches to supplier selection problem

Özkök B., Köçken H.
International Conference on Mathematical Sciences and Istatistic 2013, (ICMSS 2013), Kuala-Lumpur, Malezya, 5 - 07 Şubat 2013, cilt.1557, ss.355-360

The Fractional Transportation Problem with Interval Demand, Supply and Costs

Kocken H., Emiroğlu İ., Gueler C., Taşçi F., Sivri M.
International Conference on Mathematical Sciences and Statistics (ICMSS), Kuala-Lumpur, Malezya, 5 - 07 Şubat 2013, cilt.1557, ss.339-344 identifier identifier

A Fuzzy Approach to Closed Loop Supply Chain using Mixed-Integer Linear Programming

Özkök B., Köçken H., Budak E.
International Conference on Applied Analysis and Algebra ICAAA 2012, İstanbul, Türkiye, 20 Haziran 2012, ss.76 Sürdürülebilir Kalkınma

Using some fuzzy aggregation operators for Multi-Objective Linear Transportation Problem

Köçken H., Tiryaki F.
International Conference on Applied Analysis and Algebra (ICAAA 2011), İstanbul, Türkiye, 29 Haziran - 02 Temmuz 2011, ss.250

A Compensatory Approach to Fuzzy Shortest Path Problem

Köçken H., Ahlatcıoğlu M., Tiryaki F.
1st International Fuzzy Systems Symposium, Ankara, Türkiye, 1 - 02 Ekim 2009, ss.1-12

Bulanık En Kısa Yol Problemi ve Bir Uygulama

KÖÇKEN H., TİRYAKİ F.
Yöneylem Araştırması ve Endüstri Mühendisliği 2008 (YA/EM’2008) 28. Ulusal Kongresi, Türkiye, 1 - 04 Temmuz 2008

A Compensatory Fuzzy Approach to Multiobjective Solid Transportation Problem

Tiryaki F., Köçken H.
Mathematical Methods in Engineering International Symposium (MME-06), Ankara, Türkiye, 27 - 29 Nisan 2006, ss.1-10

A Compensatory Fuzzy Approach to Multiple Objective Linear Transportation Problem

Tiryaki F., Köçken H.
Innovations in Intelligent Systems and Applications, INISTA’2005, İstanbul, Türkiye, 15 - 18 Ekim 2005, ss.79-82
Kitaplar

A Numerical Method for Integration of a Fuzzy Function over a Fuzzy Interval

TEMELCAN G., KÖÇKEN H., ALBAYRAK F. İ.
Intelligent and Fuzzy Techniques for Emerging Conditions and Digital Transformation.INFUS 2021 Lecture Notes in Networks and Systems, Kahraman, C., Cebi, S., Cevik Onar, S., Oztaysi, B., Tolga, A.C., Sari, I.U., Editör, Springer, Cham., ss.281-288, 2022

SOLVING THE SYSTEM OPTIMUM STATIC TRAFFIC ASSIGNMENT PROBLEM WITH SINGLE ORIGIN DESTINATION PAIR IN FUZZY ENVIRONMENT

ALBAYRAK F. İ., KÖÇKEN H., TEMELCAN G.
ADVANCES IN INTELLIGENT SYSTEM AND COMPUTING, Janusz Kacprzyk, Editör, SPRINGER, ss.521-530, 2021

Multi-Attribute Decision Making Using Interval Type-2 Fuzzy AHP and Its Application on Borsa Istanbul (BIST)

Özkök B., Köçken H.
Interdisciplinary Perspectives on Operations Management and Service Evaluation, Panagiotis Manolitzas,Constantin Zopounidis,Michael Talias,Evangelos Grigoroudis,Nikolaos Matsatsinis, Editör, IGI Global , Pennsylvania, ss.30-56, 2021

Multi-Attribute Decision Making Using Interval Type-2 Fuzzy AHP and Its Application on Borsa Istanbul (BIST)

ÖZKÖK B., KÖÇKEN H.
Interdisciplinary Perspectives on Operations Management and Service Evaluation, P. Manolitzas, C. Zopounidis, M. Talias, E. Grigoroudis, & N. Matsatsinis, Editör, IGI Global, Hershey, PA, ss.30-56, 2021

A Type-2 Fuzzy TOPSIS-Based Methodology for the Analysis of Investment Decisions

KÖÇKEN H., ÖZKÖK B.
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1301), Allahviranloo T., Salahshour S., Arica N., Editör, Springer, Cham, Cham, ss.359-367, 2021

A Short Review on Fuzzy System of Linear Equations Applications

Köçken H., Albayrak F. İ.
Handbook of Research on Transdisciplinary Knowledge Generation, Victor X. Wang, Editör, IGI Global Disseminator of Knowledge, Pennsylvania, ss.75-87, 2019 Creative Commons License

A Short Review on Fuzzy System of Linear Equations Applications

KÖÇKEN H., ALBAYRAK F. İ.
Handbook of Research on Transdisciplinary Knowledge Generation, Victor X. Wang, Editör, IGI Global Disseminator of Knowledge,, ss.75-87, 2019

A Short Review on Fuzzy System of Linear Equations

Köçken H., Albayrak F. İ.
Encyclopedia of Information Science and Technology, Third Edition , Mehdi Khosrow-Pour D.B.A., Editör, IGI Global, Pennsylvania, ss.6981-6989, 2015 Creative Commons License

A Short Review of Multi Criteria Decision Making Approaches for Supplier Selection Problem

Köçken H., Özkök B.
Encyclopedia of Information Science and Technology, Third Edition , Mehdi Khosrow-Pour D.B.A., Editör, IGI Global, Pennsylvania, ss.4961-4969, 2015 Creative Commons License